KALU insider buying and SEC filings, explained
Kaiser Aluminum Corp. · CIK 811596
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Rolling Drawing & Extruding of Nonferrous Metals
- State of incorporation
- DE
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$16.7M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Apr 29, 2026 | Sale | Richard P. Grimley (Director) sold 1,524 shares at $171.52 ($261K). Holdings down 25% to 4,578 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 1, 2026 |
| Apr 29, 2026 | Sale | Keith Harvey (CEO and Director) sold 3,031 shares at about $173.13 ($525K). Holdings down 3% to 94,308 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 1, 2026 |
| Apr 28, 2026 | Sale | Neal E West (CFO) sold 5,000 shares indirectly (by trust) at $173.29 ($866K). Holdings by trust down 21% to 19,091 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 29, 2026 |
| Apr 27, 2026 | Sale | Brett Wilcox (Director) sold 15,000 shares indirectly (by trust) at $174.44 ($2.6M). Holdings by trust down 60% to 9,887 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 29, 2026 |
| Apr 27, 2026 | Sale | John Malcolm Donnan (EVP, CAO and GC) sold 2,743 shares at about $178.20 ($489K). Holdings down 8% to 29,700 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 29, 2026 |
| Apr 27, 2026 | Sale | Iulian Gheorghe (SVP - Adv Eng & Innovation) sold 175 shares at $174.22 ($30K). Holdings down 4% to 4,448 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 29, 2026 |
| Apr 27, 2026 | Sale | Keith Harvey (CEO and Director) sold 47,001 shares at about $175.09 ($8.2M). Holdings down 33% to 97,339 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 29, 2026 |
| Feb 23, 2026 | Sale | John Malcolm Donnan (EVP, CAO and GC) sold 18,461 shares at about $125.08 ($2.3M). Holdings down 45% to 22,205 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 25, 2026 |
| Feb 23, 2026 | Sale | Neal E West (CFO) sold 5,000 shares indirectly (by trust) at about $121.72 ($609K). Holdings by trust down 28% to 12,775 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 25, 2026 |
| Nov 7, 2025 | Sale | Blain Tiffany (EVP - Sales & Marketing) sold 8,656 shares at about $93.92 ($813K). Holdings down 25% to 26,275 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 10, 2025 |
21 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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